 <nav class="navbar navbar-static-top" role="navigation">
                <div class="navbar-header">
                    <button aria-controls="navbar" aria-expanded="false" data-target="#navbar" data-toggle="collapse"
                            class="navbar-toggle collapsed" type="button">
                        <i class="fa fa-reorder"></i>
                    </button>
                    <a href="#" class="navbar-brand">Home</a>
                </div>
                <div class="navbar-collapse collapse" id="navbar">
                    <ul class="nav navbar-nav">
                        <li class="active">
                            <a aria-expanded="false" role="button" href="/"> 返回首页</a>
                        </li>
                        <li >
                            <a aria-expanded="false" role="button" href="/cate"> 分类管理</a>
                        </li>
                        <li >
                            <a aria-expanded="false" role="button" href="/link"> 链接管理</a>
                        </li>
{#                        <li class="dropdown">#}
{#                            <a aria-expanded="false" role="button" href="#" class="dropdown-toggle"#}
{#                               data-toggle="dropdown"> 菜单 <span class="caret"></span></a>#}
{#                            <ul role="menu" class="dropdown-menu">#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                            </ul>#}
{#                        </li>#}
{#                        <li class="dropdown">#}
{#                            <a aria-expanded="false" role="button" href="#" class="dropdown-toggle"#}
{#                               data-toggle="dropdown"> 菜单 <span class="caret"></span></a>#}
{#                            <ul role="menu" class="dropdown-menu">#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                                <li><a href="">M菜单列表</a>#}
{#                                </li>#}
{#                            </ul>#}
{#                        </li>#}
{#                        <li class="dropdown">#}
{#                            <a aria-expanded="false" role="button" href="#" class="dropdown-toggle"#}
{#                               data-toggle="dropdown"> 菜单 <span class="caret"></span></a>#}
{#                            <ul role="menu" class="dropdown-menu">#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                            </ul>#}
{#                        </li>#}
{#                        <li class="dropdown">#}
{#                            <a aria-expanded="false" role="button" href="#" class="dropdown-toggle"#}
{#                               data-toggle="dropdown"> 菜单 <span class="caret"></span></a>#}
{#                            <ul role="menu" class="dropdown-menu">#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                                <li><a href="">菜单列表</a>#}
{#                                </li>#}
{#                            </ul>#}
{#                        </li>#}

                    </ul>
                    <ul class="nav navbar-top-links navbar-right">
                        <li>
                            <a href="/">
                                <i class="fa fa-sign-out"></i> 退出
                            </a>
                        </li>
                    </ul>
                </div>
            </nav>